Chihiro Akiba

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OBJECTIVE In Japan, idiopathic normal pressure hydrocephalus (iNPH) currently is treated mainly with lumboperitoneal (LP) shunts. Our aim was to evaluate whether LP shunting via the use of Medtronic Strata NSC programmable valves was as effective as ventriculoperitoneal shunting in the treatment of patients with iNPH from the perspectives of safety and(More)
A 62-year-old male presented with a rare case of possible neuro-Sweet Disease (NSD) mimicking brain tumor in the medulla oblongata, manifesting as numbness in the bilateral upper and lower extremities, gait disturbance, dysarthria, and swallowing disturbance which gradually deteriorated over 3 months. Magnetic resonance imaging showed a mass lesion in the(More)
The prognosis of cognitive improvement after cerebrospinal fluid (CSF) shunting in idiopathic normal pressure hydrocephalus (iNPH) remains uncertain, with no reports on CSF biomarkers related to long-term cognitive prognosis. We performed a preliminary study of CSF biomarker protein levels for cognitive outcome prognostication of two-year outcomes after(More)
OBJECTIVE Chondroid chordoma (CC) is a rare but commonest subtype of chordoma with little reported clinical information. The present study summarizes and updates present knowledge of CC. METHODS Literature search for demographic data and clinical appearance of cranial CCs except for those entirely confined to the sinonasal region. RESULTS A total of 48(More)
A 33-year-old male became aware of a painless soft mass in the left occipital region. His medical and family history were unremarkable for neurofibromatosis type 1 (NF1) or other genetic disorders. Physical examination showed no signs of NF1. Neurological and ophthalmological examinations found no abnormality. Cranial computed tomography showed an isodense(More)
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